import Vue from 'vue'
import Router from 'vue-router'


import Login from './components/Login.vue'
import Home from './components/Home.vue'
import Welcome from './components/Welcome.vue'
//路由懒加载
// const Login = () =>import(/*webpackChunKName:"login_home_welcome" */ './components/Login.vue')
// const Home = () =>import(/*webpackChunKName:"login_home_welcome" */ './components/Home.vue')
// const Weloome = () =>import(/*webpackChunKName:"login_home_welcome" */ './components/Welcome.vue')


import Users from './components/user/Users.vue'
import Rights from './components/power/Rights.vue'
import Roles from './components/power/Roles.vue'
import Cate from './components/goods/Cate.vue'
import Params from './components/goods/Params.vue'
import List from './components/goods/List.vue'
import Add from './components/goods/Add.vue'
import Order from './components/order/Order.vue'
import Reprot from './components/report/Reprot.vue'

Vue.use(Router)


 const router = new Router({
  routes:[
    {path:'/',redirect:'/login'},

    { path:'/login',component:Login},

    { path:'/home',
      component:Home,
      redirect:'/welcome',
      children:[
        {path:'/welcome',component:Welcome},
        {path:'/users',component:Users},
        {path:'/rights',component:Rights},
        {path:'/roles',component:Roles},
        {path:'/categories',component:Cate},
        {path:'/params',component:Params},
        {path:'/goods',component:List},
        {path:'/goods/Add',component:Add},
        {path:'/orders',component:Order},
        
        {path:'/reports',component:Reprot},

      ]
    }


  ]
})
router.beforeEach((to,from,next)=>{
  //to 将要访问的路径
  //from 代表从哪个路劲跳转而来
  //next 是一个函数，表示放行
  //next（）放行   next('/login')强制跳转
  if(to.path === '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token');
  if(!tokenStr) return next('/login');
  next();
})

export default router
